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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...g_test is the anchor. The reason that Facebook and other Javascript-driven applications (like my own Wood & Stones) use anchors is that they want to make pages bookmarkable (as suggested by a comment on that answer) or support the back button without reloading the entire page from the server.
I...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...the kernel for it to be able to find the return address. Arg to register mapping is the same as for int $0x80. You should normally call into the vDSO instead of using sysenter directly. (See The Definitive Guide to Linux System Calls for info on linking and calling into the vDSO, and for more inf...
Mail multipart/alternative vs multipart/mixed
... else
cids.put(fileName,cid);
matcherCssUrl.appendReplacement(sb,replacement.replace("@cid",cid));
}
matcherCssUrl.appendTail(sb);
html = sb.toString();
return html;
}
private String getFileName(String fileName) {
if (fi...
What to do about a 11000 lines C++ source file?
...ause it's stable, this won't cause (many) "awkward" merges that have to be applied to a different file from the one they were originally made on, when you merge the change from one branch to another. Repeat.
Find some code in the file which basically only applies to a small number of branches, and c...
How to unit test a Node.js module that requires other modules and how to mock the global require fun
... good things. It saved me! I was tasked to write jasmine-node tests for an app developed in appcelerator Titanium which forces some modules to be absolute paths and many circular dependancies. proxyquire let me stop gap those and mock out the cruft I didn't need for each test. (Explained here). Than...
Why is exception.printStackTrace() considered bad practice?
...you do not have System.err being reassigned throughout the duration of the application's lifetime,
and if you do not require log rotation while the application is running,
and if accepted/designed logging practice of the application is to write to System.err (and the JVM's standard error output stre...
How to “perfectly” override a dict?
...inimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMapping):
"""A dictionary that applies an arbitrary key-altering
function before accessing the keys"""
def __init__(self, *args, **kwargs):
self.store = dict()
...
REST API - why use PUT DELETE POST GET?
...l access of data. When you see a request in REST, it should immediately be apparant what is happening with the data.
For example:
GET: /cars/make/chevrolet
is likely going to return a list of chevy cars. A good REST api might even incorporate some output options in the querystring like ?output=j...
What is the difference between Non-Repeatable Read and Phantom Read?
...solation level to be used?
What isolation level you need depends on your application. There is a high cost to a "better" isolation level (such as reduced concurrency).
In your example, you won't have a phantom read, because you select only from a single row (identified by primary key). You can ha...
Why use Ruby instead of Smalltalk? [closed]
...to facilitate integration. Smalltalk never really gained a body of hybrid application support in the way that Python and Ruby have, so the concept of 'smalltalk as embedded scripting language' never caught on.As an aside, Java was not the easiest thing to interface with other code bases (JNI is fai...